Orbital Focus - International Spaceflight Facts and Figures
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Orbits


Tyneside, UK
2022 Nov 26
Saturday, Day 330

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Primary source of unclassified orbital elements

Orbital elements based on amateur observations
Sun-synchronous Satellites - Meteorology by LTDN

This a list of satellites in sun-synchronous orbit shown in the order they lie around the Earth. Names are not necessarily those by which they are known in the NORAD catalogue used by SpaceTrack.

It is a snapshot and is updated daily. The measure that results in an entry in this table is that the drift rate of LTDN (Local Time at the Descending Node) is no more than twenty four minutes each year. Some satellites may have higher drift rates but they may still be acceptable to their owners/operators. They do not appear here. On the converse, although a satellite is in a sun-synchronous orbit, it is not necessarily active.

Cubesats less than 6U in size are excluded from the list because the vast majority reached space by hitch hiking and their final orbit was not important. Listing them would create an unnecessarily long page.

The menu on the left leads to some, hopefully useful, sub-lists of the satellites on this page.


LTDN Satellite Cat
no
Desig- nation Orbit
Epoch
Orbit
00:17ESSA 220911966-016A2022 Nov 251354 x 1415 km, 113.4 min, 101°.2
01:24NOAA 20 (JPSS, Joint Polar Satellite System 1)430132017-073A2022 Nov 25826 x 827 km, 101.4 min, 98°.7
01:54NOAA 17274532002-032A2022 Nov 25799 x 817 km, 101.0 min, 98°.7
01:56Fengyun 3D430102017-072A2022 Nov 25827 x 830 km, 101.5 min, 98°.8
02:21ESSA 836151968-114A2022 Nov 251414 x 1463 km, 114.6 min, 101°.5
02:59Meteor M2-2443872019-038A2022 Nov 25811 x 814 km, 101.1 min, 98°.7
03:01AMS 4 (DMSP 5D-1 F-4)113891979-050A2022 Nov 25789 x 807 km, 100.8 min, 98°.5
03:22Meteor M-1358652009-049A2022 Nov 25815 x 820 km, 101.2 min, 98°.6
03:25NOAA 5 (ITOS H)90571976-077A2022 Nov 251509 x 1523 km, 116.3 min, 102°.1
04:02USA 210 (DMSP 5D-3 F-18)359512009-057A2022 Nov 25839 x 855 km, 101.9 min, 98°.7
04:33NOAA 10169691986-073A2022 Nov 25789 x 806 km, 100.8 min, 98°.6
04:52Fengyun 1B207881990-081A2022 Nov 25873 x 896 km, 102.7 min, 98°.8
05:00NOAA 8139231983-022A2022 Nov 25784 x 807 km, 100.8 min, 98°.7
05:21NOAA 12212631991-032A2022 Nov 25796 x 814 km, 101.0 min, 98°.5
05:38Fengyun 3E490082021-062A2022 Nov 25826 x 827 km, 101.4 min, 98°.7
05:52USA 249 (DMSP 5D-3 F-19)396302014-015A2022 Nov 25838 x 852 km, 101.8 min, 98°.7
05:58USA 109 (DMSP 5D-2 F-13)235331995-015A2022 Nov 25834 x 843 km, 101.7 min, 98°.8
06:28USA 191 (DMSP 5D-3 F-17)295222006-050A2022 Nov 25838 x 853 km, 101.8 min, 98°.8
07:25USA 73 (DMSP 5D-2 F-11)217981991-082A2022 Nov 25827 x 846 km, 101.6 min, 98°.8
07:29NOAA 15253381998-030A2022 Nov 25797 x 812 km, 101.0 min, 98°.6
08:57TIROS-N110601978-096A2022 Nov 25823 x 839 km, 101.5 min, 98°.6
09:00USA 106 (DMSP 5D-2 S-12)232331994-057A2022 Nov 25832 x 848 km, 101.7 min, 98°.9
09:30MetOp-B387712012-049A2022 Nov 25820 x 821 km, 101.3 min, 98°.7
09:30MetOp-C436892018-087A2022 Nov 26819 x 822 km, 101.3 min, 98°.7
09:38NOAA 1 (ITOS A)47931970-106A2022 Nov 251423 x 1472 km, 114.8 min, 101°.5
10:21NOAA 18286542005-018A2022 Nov 26840 x 860 km, 101.9 min, 98°.9
13:17TIROS 1014301965-051A2022 Nov 25717 x 798 km, 100.0 min, 98°.4
17:54DMSP 5D-2 F-6 (Defense Meteorological Satellite Program)137361982-118A2022 Nov 25788 x 799 km, 100.7 min, 98°.6
17:57USA 26 (DMSP 5D-2 F-8)181231987-053A2022 Nov 25821 x 838 km, 101.5 min, 98°.7
18:34AMS 3 (DMSP 5D-1 F-3)108201978-042A2022 Nov 25767 x 779 km, 100.3 min, 98°.5
19:07DMSP 5C F-2 (Defense Meteorological Satellite Program)78161975-043A2022 Nov 25774 x 850 km, 101.1 min, 98°.7
19:13DMSP 5C F-1 (Defense Meteorological Satellite Program)74111974-063A2022 Nov 25768 x 827 km, 100.8 min, 98°.6
20:01DMSP 5A F-1 (Defense Meteorological Satellite Program)32661968-042A2022 Nov 25802 x 880 km, 101.7 min, 98°.7
20:39DMSP 5A F-3 (Defense Meteorological Satellite Program)40471969-062A2022 Nov 25763 x 828 km, 100.8 min, 98°.6
20:42DMSP 4A F-9 (Defense Meteorological Satellite Program)29201967-080A2022 Nov 25815 x 871 km, 101.8 min, 98°.8
22:58Nimbus 3 (Nimbus B2)38901969-037A2022 Nov 251071 x 1129 km, 107.3 min, 99°.8
23:18Nimbus 6 (Nimbus F)79241975-052A2022 Nov 251100 x 1113 km, 107.4 min, 100°.1
23:20Nimbus 5 (Nimbus E)63051972-097A2022 Nov 261087 x 1101 km, 107.1 min, 99°.9
23:54Nimbus 4 (Nimbus D)43621970-025A2022 Nov 251087 x 1097 km, 107.1 min, 100°.0

For the satellites that do not have formal published elements, thanks go to the radio and visual amateur satellite trackers for their observing, and particularly to Mike McCants for archiving the derived orbits.

Updated: 2022 Nov 26, 06:48 UTC

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